81986155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{11621}}^1$

素因数の和:11726

約数の個数: 16

約数和(自身を含む): 105434784

約数和(自身を除く): 23448629

約数列:

[1, 5, 17, 83, 85, 415, 1411, 7055, 11621, 58105, 197557, 964543, 987785, 4822715, 16397231, 81986155]

約数ペア:

[(1, 81986155), (5, 16397231), (17, 4822715), (83, 987785), (85, 964543), (415, 197557), (1411, 58105), (7055, 11621)]